Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.5
Qt Version: 4.8.4
Operating System: Linux 3.6.11-1.fc17.x86_64 x86_64
Distribution: "Fedora release 17 (Beefy Miracle)"

-- Information about the crash:
- What I was doing when the application crashed:

when I removed the main panel (on the bottom) plasma crashes

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f0e28587880 (LWP 1376))]

Thread 3 (Thread 0x7f0e1a372700 (LWP 1378)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:166
#1  0x00000035a9786797 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x35a9a94640) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00000035a97867c9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00000032d4607d14 in start_thread (arg=0x7f0e1a372700) at pthread_create.c:309
#4  0x00000032d3ef168d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f0d924b4700 (LWP 1379)):
#0  0x00000032d3ee8bdf in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00000032d3a47af4 in g_main_context_poll (n_fds=1, fds=0x7f0d8c002bb0, timeout=-1, context=0x7f0d8c0009a0, priority=<optimized out>) at gmain.c:3440
#2  g_main_context_iterate (context=context@entry=0x7f0d8c0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3141
#3  0x00000032d3a47c14 in g_main_context_iteration (context=0x7f0d8c0009a0, may_block=1) at gmain.c:3207
#4  0x00000035999a5fe6 in QEventDispatcherGlib::processEvents (this=0x7f0d8c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00000035999766ef in QEventLoop::processEvents (this=this@entry=0x7f0d924b3cd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003599976978 in QEventLoop::exec (this=0x7f0d924b3cd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003599878940 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x0000003599956f0f in QInotifyFileSystemWatcherEngine::run (this=0xd5cc80) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x000000359987b91c in QThreadPrivate::start (arg=0xd5cc80) at thread/qthread_unix.cpp:338
#10 0x00000032d4607d14 in start_thread (arg=0x7f0d924b4700) at pthread_create.c:309
#11 0x00000032d3ef168d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f0e28587880 (LWP 1376)):
[KCrash Handler]
#6  0x000000000530de30 in ?? ()
#7  0x0000003599990c0a in QObject::connect (sender=0x22ec890, signal=0x7f0e1aa26909 "2destroyed()", receiver=0x14343e0, method=0x7f0e1aa268f8 "1widgetDeleted()", type=Qt::AutoConnection) at kernel/qobject.cpp:2550
#8  0x00007f0e1aa09918 in SystemTray::Task::widget (this=0x14343e0, host=0x375bf70, createIfNecessary=<optimized out>) at /usr/src/debug/kde-workspace-4.9.5/plasma/generic/applets/systemtray/core/task.cpp:83
#9  0x00007f0e1aa23426 in SystemTray::TaskArea::addWidgetForTask (this=this@entry=0x37e2a10, task=0x14343e0) at /usr/src/debug/kde-workspace-4.9.5/plasma/generic/applets/systemtray/ui/taskarea.cpp:270
#10 0x00007f0e1aa23b16 in SystemTray::TaskArea::addTask (this=0x37e2a10, task=<optimized out>) at /usr/src/debug/kde-workspace-4.9.5/plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#11 0x000000359998cdbf in QMetaObject::activate (sender=0xa81ae0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff0f725990) at kernel/qobject.cpp:3539
#12 0x00007f0e1aa08af2 in SystemTray::Manager::taskChanged (this=<optimized out>, _t1=0x14343e0) at /usr/src/debug/kde-workspace-4.9.5/x86_64-redhat-linux-gnu/plasma/generic/applets/systemtray/manager.moc:119
#13 0x000000359998cdbf in QMetaObject::activate (sender=0x14343e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff0f725ae0) at kernel/qobject.cpp:3539
#14 0x00007f0e1aa0966f in SystemTray::Task::changed (this=<optimized out>, _t1=0x14343e0) at /usr/src/debug/kde-workspace-4.9.5/x86_64-redhat-linux-gnu/plasma/generic/applets/systemtray/task.moc:127
#15 0x000000359998c29e in QObject::event (this=0x14343e0, e=<optimized out>) at kernel/qobject.cpp:1194
#16 0x000000359b1ca5ac in QApplicationPrivate::notify_helper (this=this@entry=0x6ea8b0, receiver=receiver@entry=0x14343e0, e=e@entry=0x22ab7b0) at kernel/qapplication.cpp:4562
#17 0x000000359b1cea2a in QApplication::notify (this=0x6df5b0, receiver=0x14343e0, e=0x22ab7b0) at kernel/qapplication.cpp:4423
#18 0x000000359d0468c6 in KApplication::notify (this=0x6df5b0, receiver=0x14343e0, event=0x22ab7b0) at /usr/src/debug/kdelibs-4.9.5/kdeui/kernel/kapplication.cpp:311
#19 0x000000359997799e in QCoreApplication::notifyInternal (this=0x6df5b0, receiver=receiver@entry=0x14343e0, event=event@entry=0x22ab7b0) at kernel/qcoreapplication.cpp:946
#20 0x000000359997b451 in sendEvent (event=0x22ab7b0, receiver=0x14343e0) at kernel/qcoreapplication.h:231
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x6798d0) at kernel/qcoreapplication.cpp:1570
#22 0x00000035999a5e33 in sendPostedEvents () at kernel/qcoreapplication.h:236
#23 postEventSourceDispatch (s=s@entry=0x6edb00) at kernel/qeventdispatcher_glib.cpp:279
#24 0x00000032d3a47825 in g_main_dispatch (context=0x6ef100) at gmain.c:2539
#25 g_main_context_dispatch (context=context@entry=0x6ef100) at gmain.c:3075
#26 0x00000032d3a47b58 in g_main_context_iterate (context=context@entry=0x6ef100, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3146
#27 0x00000032d3a47c14 in g_main_context_iteration (context=0x6ef100, may_block=1) at gmain.c:3207
#28 0x00000035999a5fc6 in QEventDispatcherGlib::processEvents (this=0x67b1b0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#29 0x000000359b26a5ee in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#30 0x00000035999766ef in QEventLoop::processEvents (this=this@entry=0x7fff0f7263e0, flags=...) at kernel/qeventloop.cpp:149
#31 0x0000003599976978 in QEventLoop::exec (this=0x7fff0f7263e0, flags=...) at kernel/qeventloop.cpp:204
#32 0x000000359997b768 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#33 0x00000035a443b195 in kdemain (argc=1, argv=0x7fff0f7266d8) at /usr/src/debug/kde-workspace-4.9.5/plasma/desktop/shell/main.cpp:120
#34 0x00000032d3e21735 in __libc_start_main (main=0x4008d0 <main(int, char**)>, argc=1, ubp_av=0x7fff0f7266d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff0f7266c8) at libc-start.c:226
#35 0x0000000000400901 in _start ()

This bug may be a duplicate of or related to bug 290712.

Possible duplicates by query: bug 313045, bug 311163, bug 310838, bug 309177, bug 306586.

Reported using DrKonqi